﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ExpressionEngine
{
    /// <summary>
    /// 表达式涉及到的符号（操作符、参数、函数等等）
    /// </summary>
    public class Symbol
    {
        /// <summary>
        /// 符号标示（系统内部唯一标示）
        /// </summary>
        private string _identifier;
        public string Identifier
        {
            get { return _identifier; }
            set { _identifier = value; }
        }

        /// <summary>
        /// 转义字符(用户展现的标识符，不一致是为了标示多意字符)
        /// </summary>
        private string _escape;
        public string Escape
        {
            get { return _escape; }
            set { _escape = value; }
        }
    }
}
